Plastic Valves and Flowmeters - GEMU - #10

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10 The correct valve selection creates security Plastic valves and flowmeters I The correct valve selection creates security Globe valve Features • Depending on diameter and materials of construction, up to 40 bar operating pressure and 180°C operating temperature (up to 250°C on request) • Suitable for high and very high cycle duties and dosing • Very good control characteristics Areas of use • Suitable for clean chemically inert, slightly corrosive liquid media but also gases and steam Typical areas of application • Industrial gas manufacturing and distribution • Biogas production • Industrial and sterile steam generation and distribution • Heat exchanger systems • Polystyrene foam production and packaging industry • Beverage industry • Dyeing and cleaning • Filling systems Butterfl y valve Features • Depending on diameter and materials of construction, up to 20 bar operating pressure and 180°C operating temperature. Special versions (e.g. double eccentric/metallic sealing) up to 50 bar operating pressure and 600°C operating temperature • Suitable for low cycle duties • Poor control characteristics • Low weight Areas of use • Suitable for non-particulate inert, corrosive, liquid and gaseous media and steam Typical areas of application • General water treatment (fi ltered water) • Sea water conversion plants • Reversible fl ow fi lters • Beverage industry • Heat exchanger systems • Special-purpose vehicle construction • HVAC • Chemical industry • Polystyrene foam production and packaging industry • Gas purifi cation • Petrochemical industry